Porträt Theodor Demuth [This image from the German Museum of Books and Writing collection "Portraits of printers, editors, book dealers and book binders" is freely available under CC0 1.0]
Porträt Theodor Demuth (1821 - 1901) [This image from the German Museum of Books and Writing collection "Portraits of printers, editors, book dealers and book binders" is freely available under CC0 1.0]